Grupo de Investigación Sistemática Biológica-SisBio, Laboratorio de Entomología, Universidad Pedagógica y Tecnológica de Colombia, Tunja, BY, Colombia..
Zootaxa. 2021 Apr 14;4958(1):zootaxa.4958.1.11. doi: 10.11646/zootaxa.4958.1.11.
Water striders of the genus Rhagovelia Mayr, 1865 (Insecta: Hemiptera: Veliidae) have colonized the water surface mainly in lotic freshwater systems, but also in coastal marine environments. They are characterized by the swimming fan in the distal tarsomere of the middle leg that allows them to quickly maneuver. In the Americas, it was subdivided into four monophyletic complexes (angustipes, collaris, obesa and robusta), one paraphyletic grade (abrupta), each with several groups of species, and one additional group (varipes). However, the taxonomy of this genus still has inconsistencies due to its morphological complexity and to the misinterpretation of characters. For this reason, we present a revision of the species of the angustipes complex occurring in Colombia. Material deposited in nine biological collections was examined, including several types. A total of 3,674 specimens were studied, belonging to 26 valid species, of which R. boyacensis sp. nov., R. graziae sp. nov. and R. molanoi sp. nov., are described as new; and R. angustipes Uhler, 1894 is recorded from the country for the first time. Furthermore, eleven species are redescribed and twelve are considered synonyms. Finally, a key to the species of the angustipes complex occurring in Colombia is presented, as well as updated distribution maps.
拉格维利亚属水黾（学名：Rhagovelia Mayr，1865）（昆虫纲：半翅目：水黾科）主要栖息于激流淡水生境，但也存在于沿海海洋环境中。它们的特征是中足跗节末端的游泳瓣，使它们能够快速机动。在美洲，它被细分为四个单系复合体（狭足型、collaris 型、obesa 型和 robusta 型）、一个并系等级（abrupta 型），每个都有几个物种群，以及一个额外的物种群（varipes 型）。然而，由于其形态复杂性和对特征的误解，该属的分类学仍然存在不一致。因此，我们对哥伦比亚境内出现的狭足型复合体的物种进行了修订。对九家生物收藏的材料进行了检查，包括几个类型。共研究了 3674 个标本，属于 26 个有效物种，其中 R. boyacensis sp. nov.、R. graziae sp. nov. 和 R. molanoi sp. nov. 被描述为新种；R. angustipes Uhler，1894 首次在该国被记录。此外，11 个物种被重新描述，12 个被认为是同义词。最后，提出了哥伦比亚狭足型复合体物种的关键，并更新了分布图谱。
